John S. Manka has been granted 16 US patents while listed as an inventor at The Lubrizol . The first was granted in 1997 and the most recent in May 2014. John S. Manka ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list John S. Manka in Euclid, OH, US.
Patents per Year Patents granted per year, 1997 to 2014 Bar chart with a peak of 4 patents in 1998. peak 4 1997: 2 patents 1997 1998: 4 patents 1999: 1 patents 1999 2000: 1 patents 2001: 1 patents 2001 2003: 1 patents 2005: 1 patents 2005 2006: 1 patents 2008: 1 patents 2008 2010: 1 patents 2012: 1 patents 2012 2014: 1 patents 2014 Issued Patents All Time
Showing 1–16 of 16 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8717565 Optically active functional fluid markers Ying Wang 2014-05-06
8257975 Marker dyes for petroleum products Daniel J. Knapton 2012-09-04
7728058 Fiber dispersant-containing systems John M. Lesniewski 2010-06-01
$11,881,000
7323083 Adhesion promoters for glass-containing systems Todd Yonker 2008-01-29
$20,642,000
7026378 Hydrocarbyl-substituted phenols in resins for cellulosic composites Todd Yonker 2006-04-11
$12,471,000
6933263 Emulsified based lubricants Matthew R. Sivik , Richard A. Denis 2005-08-23
$13,972,000
6610110 Aviation fuels having improved freeze point — 2003-08-26
$3,912,000
6265360 Compositions containing wax modifiers Marvin B. DeTar , Richard M. Lange 2001-07-24
$4,601,000
6017370 Fumarate copolymers and acylated alkanolamines as low temperature flow improvers Kim L. Ziegler , Daniel Nelson 2000-01-25
$14,175,000
6001783 Mixed polysulfides and lubricants and functional fluids containing the same William D. Abraham , Stephen H. Roby , James A. Supp , Richard Yodice 1999-12-14
$3,172,000
5834407 Lubricants and functional fluids containing heterocyclic compounds James A. Supp , Mohamed G. Fahmy 1998-11-10
$8,217,000
5726132 Oil composition for improving fuel economy in internal combustion engines Stephen H. Roby , James A. Supp , William D. Abraham 1998-03-10
$10,428,000
5712230 Additive compositions having reduced sulfur contents for lubricants and functional fluids William D. Abraham , Stephen H. Roby , James A. Supp 1998-01-27
$3,703,000
5705458 Additive compositions for lubricants and functional fluids Stephen H. Roby , James A. Supp , William D. Abraham 1998-01-06
$10,465,000
5693598 Low-viscosity lubricating oil and functional fluid compositions William D. Abraham , Brent R. Dohner , Stephen H. Roby , James A. Supp 1997-12-02
$11,468,000
5674820 Additive compositions for lubricants and functional fluids William D. Abraham , Stephen H. Roby , James A. Supp , Craig D. Tipton 1997-10-07
$6,180,000